My laptop fan always on

i have HP Pavillion dv6-6c65sx
win 7 home premium ( recovery )
i bought my laptop a few months ago
it had a problem
i took it to the technical support
they have changed the motherboard
the problem was solved
byt anothe proplem appeared
my laptop always on and too loud
even the processor is cool
it blow cool air out of air vents
thats mean there isn't any overheating inside
i dowloaded a program to show me the processor temp.
it ranged between 43 and 50 celesius
i just want to know if i can change the rage which fan working on
or its a technical issue and i have to go technical support

This is the problem of the fan and not BIOS/System problem.
At such temperature Fan always keep cooling your laptop.
The cooler the laptop is the better working and lifespan!
If fan makes noise, get only the fan replaced.
| Please hit Kudos, if I help you! |
| |
| VA |
|___________________________|

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      [not loaded] com.google.keystone.agent.plist Support
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      FlashPlayer-10.6: Version: 14.0.0.125 - SDK 10.6 Support
      QuickTime Plugin: Version: 7.7.3
      Silverlight: Version: 5.1.20913.0 - SDK 10.6 Support
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      ClickToPlugin: Version: 2.9.5
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      Size of backup disk: Too small
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          14% WindowServer
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      2.64 GB Free RAM
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      0 B Page-outs

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    There's only 10% available disk space. You need to delete data to free up storage space.
    OSX Tips The Storage Display
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